OPGW Joint Box OPGW joint boxs, also known as splitter boxes, are designed to accommodate core connectors to the outdoor intermediate fiber optic cable leading to the control room patch panel. Fiber core connectors are used to connect backbone fiber optic cables (such as OPGW) OPGW Joint Box OPGW joint box, also known as splitter boxes, are designed to accommodate core connectors to the outdoor intermediate fiber optic cable leading to the control room patch panel. Fiber core connectors are used to connect backbone fiber optic cables (such as OPGW) The OPGW joint box is a compact quadrilateral aluminum enclosure for enclosing composite fiber optic overhead ground line splices. It is designed for steel towers and utility poles, but can be installed in any overhead application. The OPGW joint box is suitable for use on the ground. It can be attached to high voltage towers, utility poles (wood, concrete or steel), walls or other structures. It can be adapted to the harshest weather conditions. It can be attached to high voltage towers, utility poles, walls, or other support structures made of steel, wood, or concrete. Huaneng OPGW joint box has the following characteristics. 1. The OPGW joint box supports, organizes and protects the optical fiber. 2. The OPGW joint box ensures that the minimum bending radius of the optical fiber is not exceeded. 3. The OPGW joint box has no sharp edges or protrusions that could damage the fiber optic cable. The OPGW joint box provides entry for all cables Includes numbered labels for tube and fiber identification. The housing is lockable. As a professional manufacturer, supplier and exporter, Huaneng can support various sizes of metal junction boxes, and we can also customize them to your design.